Patents by Inventor Akira Tokumi

Akira Tokumi has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Apparatus for detecting defects on a bottle mouth with a screw thread
    Patent number: 4758084
    Abstract: An apparatus for detecting defects on a bottle mouth has an annular illuminator, a reflecting mirror for forming a planar image of the bottle mouth, a CCD camera for detecting the planar image and an operation unit for operating electric signals produced by the CCD camera to judge existence of the defects on the bottle mouth. Detecting operation of defects can be carried out instantly without rotating the bottle.
    Type: Grant
    Filed: July 8, 1986
    Date of Patent: July 19, 1988
    Assignee: Kirin Beer Kabushiki Kaisha
    Inventors: Akira Tokumi, Hiroyuki Fukuchi, Kazushi Ishikawa